KATA KUNCI AYAT MATEMATIK (Number Sentence)

KATA KUNCI

jumlah, lebih daripada, meningkat, untung, komisyen, dividen, hasil tambah , jumlah semua +beza, kurang daripada, baki , diskaun, hilang, yang tinggal, menurun/merosot, ambil , beri-jumlah, hasil darab, kali , semua sekali, nilai yang sama , darabxBahagi sama rata/adil, bahagi, diagihkan sama rata,

UPSR TOPICS :************************

2.Mixed Operations/Operasi Bergabung~ * BODMAS: Bracket ( ) Of Divide Multiply Add Substract

~ Solve Problems ( more than 1 operations )x+-

RUMUS

PURATA

Purata= Jumlah Bilangan Jumlah = Purata X Kuantiti

Perimeter : Pagar + sisi luar = __cm Luas = p x l = ___cm Luas = t x t = ___cm 2 Isipadu = p x l x t = __cm

LENGTH / UKURAN PANJANG

1000 100 10 x km m cm mm 1000 100 10

MASS / TIMBANGAN BERAT x 1 000

kg g

1 000

VOLUME OF LIQUID / ISI PADU CECAIR x 1 000

1 000 m

cmcentdecmmdecadeyears

123 BOX

123 BOXQuestion : Calculate 0.7 l + 250 ml. Give your answer, in ml. (UPSR 2003)mgmKmKg0700025009509 5 0 m

Percentage/Peratus = x 100%Remember: Pair of 100 2 x 50 4 x 25 5 x 2010 x10

143412152535187

PROPERFRACTIONSDECIMALFRACTIONSPERCENTAGEKilometre - metre 0.2525%0.25 km250 m 0.7575%0.75 km750 m 0.550%0.5 km500 m 0.220%0.2 km200 m0.440%0.4 km400 m0.660%0.6 km600 m0.12512.5%0.125 km125 m

TIME / MASAyearsecweekdayhourmonthmin12472460601247246060x

TIME /MASAyearcenturymilleniumdecade101001000101001000x

MonthsDaysJanuary (1st month)31February (2nd month)28 / 29March (3rd month)31April (4th month)30May (5th month)31June (6th month)30July (7th month31August (8th month)31September (9th month)30October (10th month)31November (11th month)30December (12th month)31

ETSTD+ET = End TimeST = Start TimeD = DurationD = ET STET = ST + DST = ET DTIME

T-METHOD

T-METHOD

055 70385x= 6 hours 25 minutesT-METHODExample :

55 minutes x 7 =___ hours ___ minutes-360+ 6256

Shape AndSpace

A = AreaL = LengthB = BreadthSHAPE AND SPACE

Characteristics of 2D-Shape

Square4 straight sides with the same length4 corners4 angles4 symmetries1 flat face

Rectangle4 straight sides (the opposites sides have the same length)4 corners4 angles2 symmetries1 flat face

Equilateral Triangle3 corners3 angles3 straight sides with the same length3 symmetries1 flat face

Isosceles Triangle3 straight sides (2 sides have the same length)3 corners3 angles1 symmetries1 flat face

Circle1 flat face1 curved sidesEvery diameter is the symmetries of the circle

Oval

1 flat face1 curved sides

Pentagon

1 flat face5 straight sides5 corners5 angles

Hexagon

1 flat face6 straight sides6 corners6 angles

Heptagon

1 flat side7 straight sides7 corners7 angles

Octagon

1 flat side8 straight sides8 corners8 angles

Characteristics of 3D-shape

Cube6 flat faces12 edges8 verticesAll the surfaces are square in shape

CubeNet of a cube

CuboidNet of a cuboid

PyramidNet of a pyramid

Cylinder Net of a cylinder

Cuboid6 flat faces12 edges8 vertices

Pyramid5 flat faces8 edges5 vertices

Cylinder

2 flat faces

2 edges

1 curved face

Cone1 flat face

-1 edges

-1 vertex

-1 curved face

Sphere

1 curved surface

IT IS NOT EASY TO SCOREA BUT IT IS NOT IMPOSSIBLE

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